A confirmatory test of the underlying factor structure of scores on the collective self-esteem scale in two independent samples of Black Americans

In this study, we examined the factor structure of the Collective Self-Esteem Scale (CSES; Luhtanen & Crocker, 1992) across 2 separate samples of Black Americans. The CSES was administered to a sample of Black American adolescents (n = 538) and a community sample of Black American adults (n = 313). Results of confirmatory factor analyses (CFAs), however, did not support the original 4-factor model identified by Luhtanen and Crocker (1992) as providing an adequate fit to the data for these samples. Furthermore, an exploratory CFA procedure failed to find a CSES factor structure that could be replicated across the 2 samples of Black Americans. We present and discuss implications of the findings.     

The effects of category overlap on information-integration and rule-based category learning

In three experiments, we investigated whether the amount of category overlap constrains the decision strategies used in category learning, and whether such constraints depend on the type of category structures used. Experiments 1 and 2 used a category-learning task requiring perceptual integration of information from multiple dimensions (an information-integration task) and Experiment 3 used a task requiring the application of an explicit strategy (a rule-based task). In the information-integration task, participants used perceptual-integration strategies at moderate levels of category overlap, but explicit strategies at extreme levels of overlap--even when such strategies were suboptimal. In contrast, in the rule-based task, participants used explicit strategies, regardless of the level of category overlap. These data are consistent with a multiple systems view of category learning, and suggest that categorization strategy depends on the type of task that is used, and on the degree to which each stimulus is probabilistically associated with the contrasting categories.     

Development of a social interaction questionnaire for the trainers and mothers of children with disabilities participating in Dousa-hou (Japanese psycho-rehabilitation) camps

A 12-item Social Interaction Questionnaire was developed to measure the social interactions among trainers and mothers of children with disabilities in Dousa-hou camps. Dousa-hou is a Japanese psychological rehabilitation method which is widely used for children with mental retardation, cerebral palsy, and autism in Japan and other Asian countries. The primary focus of the rehabilitation method is to improve bodily movements, posture, and social support to patients and their first-degree relatives as well as promoting social interaction among participants. Two factors of interaction, (1) educational and daily life matters and (2) health and care matters, emerged through factor analysis. Cronbach coefficient alpha of the questionnaire was .91. The back-translated version of the Social Interaction Questionnaire also yielded two factors and Cronbach coefficient alpha of .87. It was found that mothers or first degree relatives (N=138; M = 43.5 yr., SD = 12.3) of the patients reported more social interaction than trainers when interacting with their child's trainer, supervisor, other trainers, and other mothers during six-day Dousa-hou camps.     

Do Internet‐Based Support Interventions Change Perceptions of Social Support?: An Experimental Trial of Approaches for Supporting Diabetes Self‐Management

Internet-based support groups are a rapidly growing segment of mutual aid programs for individuals with chronic illnesses and other challenges. Previous studies have informed us about the content of online exchanges between support group members, but we know little about the ability of these interventions to change participants' perceptions of support. A randomized trial of 160 adult Type 2 diabetes patients provided novice Internet users with computers and Internet access to 1 of 4 conditions: (a) diabetes information only, (b) a personal self-management coach, (c) a social support intervention, or (d) a personal self-management coach and the support intervention. After 3 months, individuals in the 2 support conditions reported significant increases in support on a diabetes-specific support measure and a general support scale. Participants' age was significantly related to change in social support, but intervention effects were still significant after accounting for this relationship. This report is a critical first step in evaluating the long-term effects of Internet-based support for diabetes self-management. The discussion identifies directions for future research.     

Integrating sequential arrays in visual short-term memory

Are sequential visual arrays represented as separate images or as a combined image in visual short-term memory (VSTM)? Proponents of the integration account suggest that an image of the first array is gradually formed and integrated with an image of the second to produce a combined representation. This view is evidenced by successful performance in an empty-cell detection task. In this task, on a 4 x 4 square matrix, 7 locations are occupied on a first array, followed by a variable interval, and then by 8 other occupied locations on a second array. Subjects' success in identifying the remaining empty cell has been taken as evidence for integration. In this study, we show that success in this task can be better accounted for by a convert-and-compare process than by an integration process. We conclude that VSTM only supports limited integration across sequential arrays.     

Inhibitory control in children with frontal infarcts related to sickle cell disease.

Evidence from past studies indicates that children with traumatic brain injury experience difficulties with inhibitory control. Less is known about inhibitory control in children with frontal brain injury related to cerebral infarction. We compared the inhibitory performance of children with frontal infarcts related to sickle cell disease with that of a control group of children with sickle cell disease but no history of cerebral infarction. On a stimulus-response reversal task, children with frontal infarcts made significantly more accuracy errors in the inhibitory condition than controls. Findings from this study and from previous research suggest that impairments in inhibitory control are common following frontal injury in a range of pediatric populations.     

Individual Differences in Substance Preference and Substance Use

Using H. J. Eysenck's (1957, 1967) theory of temperament, this study examined the relationship between drug preference, drug use, and personality among incarcerated inmates. Analysis indicated a general preference for marijuana and alcohol over 8 other commonly used drugs across different personality types. Theoretical and clinical implications are offered.     

Examining role stress among technical students in India

Although organizational stress has been the subject of much research, role stress among professional students in India has not been well examined. This study explores the extent and types of role stresses present among the engineering and management students in India. The findings reveal that students are experiencing role overload, role stagnation and self-role distance. Male students experience higher levels of role stagnation than female students. However, no significant differences could be observed on any of the role stressors between first year students and their seniors, or between management and engineering students. The results are indicative of the social and educational environment prevailing in the country.